Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 19.0.0 Release 19)
NORM herausgegeben am 21.10.2025
Designation standards: ETSI TS 155226-V19.0.0
Publication date standards: 21.10.2025
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI